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What is the production process and production process of soft PVC blown film?
(1)Production process.
The production process of soft pvc blown film is as follows.


There are two kinds of production processes of PVC blown film. One is to use powder direct extrusion blow molding, and this method can only be plasticized well by using an extruder with large aspect ratio;
Another method is to use a common extrusion film blowing unit and blow film with pellets. Although granulation process is added, the extruder structure is relatively simple. Most domestic manufacturers adopt this method.
(2)Production process.
① ingredients.
In order to remove impurities from the material, PVC resin needs to pass 15. 7 mesh/cm (40 mesh)Screen, plasticizer through 39. 4 Mesh/cm (100 mesh)
Copper wire mesh and other additives are diluted with plasticizer and ground with a three-roll grinder, with fineness below 80um.
Then, according to the formula, the kneading machine is placed, and the kneading temperature is 100-
120 ° C, when the material is loose and elastic, it can be discharged.
The kneaded materials are put into an extrusion granulator for granulation, and the granulation temperature should not be too high, generally controlled at 150 ~ At 170 ℃, the particles of the extruder should be neat, plasticized well and not adhered.
② extrude and blow the film.
In order to ensure the quality of the blown film, it is best to use hot particles.
On the one hand film plasticizing good on the other hand also can reduce blown film of energy consumption. In order to reduce the causePaste the car'
The number of times the head is disassembled, the head temperature should be lower than the body temperature.
The specific process conditions are as follows: the temperature of the rear section of the extruder is 150 ~ 160 ℃, middle temperature 170-
180 ℃, front temperature 170-180 ° C, the head temperature is about 170 ° C. The inflation ratio is usually (1. 5 ~ 2. 5): 1. The blown film should be well cooled, otherwise the film will stick.

PVC film science electric ceiling blinds are mainly used as electric curtain shading systems for skylights. According to the operating principle, electric ceiling blinds can be divided into rolling ceiling blinds, folding ceiling blinds, and leaf-turning ceiling blinds.

Rolling and folding electric ceiling blinds generally use textiles with different light transmittances for shading. The leaf-turning sun-shading system generally uses vertical sheets and venetian blinds to control the proportion of sunlight entering the room by turning the blades to achieve the shading effect. There are four types: FCS ceiling curtain, FSS ceiling curtain, FTS ceiling curtain, and folding ceiling curtain.

Tarpaulin (or tarpaulin) is a waterproof material with high strength, good toughness and softness, polyester with polyurethane coating or made of polyethylene plastic. Tarpaulin has a wide range of uses and is closely related to people's work and life. How can we buy tarpaulin products that meet the functions and are of reliable quality? Today, Xiaobian Cheng Cheng will take you to understand the national standards and quality requirements of tarpaulins. There are many kinds of tarpaulins, each of which is made of different materials and has different effects. Tarpaulins usually have sturdy grommets at the corners or edges for easy lashing, hanging or covering. Because of its waterproof characteristics, it is often used in construction sites, chemicals, grain rainproof, truck waterproofing, etc. Because of its shading characteristics, it is often used for drying raw materials in factories and sun protection in greenhouses. There are many standards for tarpaulins, and the quality requirements involve chloride ion testing, quality testing, tensile testing, fire rating testing, combustion performance testing, index testing, material testing, aging testing, density testing, service life assessment, etc. Everyone can choose according to their discretion!
As we have known for quite some time, the success of LINYANG in the future will depend greatly on our ability to strike a balance between valuable human insight and interaction with technology.
ZHONGSHAN LINYANG PLASTIC CO.LTD is working with the best teams, aligned with international standards and practices to focus on R&D and manufacture of products, and are continuously launching new products in the market. Get to know us at LINYANG PVC Tarpaulin Film.
PVC Film is one of the best products sold in the market today.
There are different types of , mainly pvc plastic film and clear pvc film.
There are multiple advantages of having a pvc plastic film PVC Tarpaulin from responsible drilling machine exporters such as ZHONGSHAN LINYANG PLASTIC CO.LTD, as they adhere to all the quality standards as you can list and supply all clear pvc film essential for the operation of the device without any difficulty.

If it is not used correctly, or if it is not protected during use, the tarpaulin is very easy to wear and tear. The old tarpaulin will be scrapped quickly if no measures are taken. If you want to extend its service life and prolong the scrapping cycle, measures must be taken. Coating old tarpaulins is an effective method. First, sweep the soil on both sides of the tarpaulin and spread it on a mat or worn tarpaulin to avoid soiling. Next, put the prepared materials into a basin or a small bucket, one person evenly splashes it like a plastic tarpaulin, the other person sweeps all sides with a broom, and then brushes hard with a floor brush to put the material into the tarpaulin weaving. After all the brushing is done, fold the tarpaulin less than half a meter in thickness. After folding it up, people press the foot on it to make it even, and then open the plastic tarpaulin and let it dry for less time, that is, it should be brushed twice. Then the tarpaulin can be used for a long time. If the above methods do not work, we can crush the old tarpaulins and then melt them into granules, and then process them into new tarpaulins, but the quality of this tarpaulin is very poor because it is made of refurbished granules. , the wind and the sun will be damaged in less than a year. For the aging tarpaulin, it should be directly destructive, not as a raw material for refurbished tarpaulins, to fundamentally guarantee the interests of customers.
At the same time, as the recent research of LINYANG shows, the benefits of improved productivity and firm performance can make implementing basic management practices worth it.
For more information on this topic and others, please visit LINYANG PVC Tarpaulin Film. We are among the top manufacturers of PVC Film pvc plastic film in China, and we serve big names in PVC Tarpaulin industry. You can rely on us for our high quality . Send your enquiry!
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PVC three-proof tarpaulin is mainly used in the fields of dock cover goods, factory outdoor cover products, building waterproofing, sunshade and anti-sunshine, storage cover goods waterproofing, advertising, sports equipment, entertainment facilities, and used to make truck tarpaulins, tent materials, inflatable materials , sunshade materials, etc. Other special requirements and dimensions can be customized according to customer requirements. The cargo yard cover tarpaulin is required to be waterproof, anti-sun, anti-abrasion, and can be folded repeatedly; the price of the cargo yard tarpaulin is related to the material, the price of good quality will be relatively expensive, and the relatively long service life. The cargo yard waterproof tarpaulin is divided into several categories, and customers choose different materials according to their own needs; they are divided into: PVC plastic coated cloth, oil wax cloth, silicone canvas, PE tarpaulin, etc. Now, PVC three-proof tarpaulin has It has excellent physical and chemical properties such as high strength, good waterproof and anti-sunshine performance, good self-cleaning, corrosion resistance, flame retardant and long service life. The use of PVC three-proof tarpaulin in real life has been very popular. Many tarpaulins have the functions of rainproof and sunshade, and can also be used to make tents. The cargo yard waterproof tarpaulin needs to have excellent waterproofness, which is more waterproof than other canvases, good low temperature flexibility, high strength, strong tensile force, relatively light, etc.; it has a wide range of uses, such as foreign trade, grain depots, oil fields, docks, tents, Canvas products such as drilling tower cover, railway and road transportation, storage, coal mine, open-air freight yard, etc. Generally, woven plain striped plaid is used, and there is a reinforcing wire every 50mm in the warp direction. Then carry out plastic coating. The plastic coating raw material is generally polyvinyl chloride. The coating of the base cloth should be uniform, and there should be no leakage, agglomeration, holes, degumming, wrinkling and damage, and the front side is the thinner side of the coating. , The reverse side of the PVC three-proof tarpaulin is the thicker side of the coating. On the whole, it will have 26 eye rings, 7 waist ropes, 4 corner ropes, 4 end ropes, 2 pressing ropes, 7 reinforcing ribs, and 3 rope cloths are evenly distributed on each reinforcing rib. There is a hemming rope around the cloth, and the front ends of the tarpaulin have pressure rope cloth. What are the advantages of using PVC three-proof tarpaulin? (1) Enhanced chemical corrosion resistance; (2) Anti-ultraviolet, anti-chemical reaction properties; (3) Flame retardant, fire-resistant and stable; (4) Good abrasion resistance, can be used repeatedly, saving costs; ( 5) Improve the surface characteristics of traditional coating materials, have excellent anti-pollution ability, keep long-term clean; (6) Excellent tensile, tear resistance, anti-peeling properties; (7) Excellent weathering resistance, prolonged In general, the excellent PVC three-proof tarpaulin should be straight when sewing, no needle breakage, no floating thread, and no less than 3 stitches at the starting and stopping points. The stitching thread of the rope pressing cloth should be double, and the distance between the two stitches close to the pressing rope should not be less than 45mm. The middle of the rope pressing cloth should be properly arched to facilitate the passage of the pressing rope. less than 50mm. Ribs and corners should be flat and obedient to the cloth surface, and should not bulge and wrinkle. Each reinforcing rib should be welded evenly with 3 rope cloths, and the middle of the rope cloth should be properly arched to facilitate the passage of the waist rope. How to put away the tarpaulin after we use the PVC three-proof tarpaulin is another difficult problem. Now the editor will briefly tell you that the folding of the tarpaulin has been tied. When we fold the tarpaulin, the first thing we need to pay attention to is that the front of the tarpaulin is spread out, two side ropes flow out, and the two sides of the length direction are folded. Fold the sides to the center line of the tarpaulin, then divide each of the folded sides into thirds and fold them twice toward the center line. Again, fold both sides of the tarpaulin in the width direction to the horizontal center line of the tarpaulin, and fold them in half three times in a row to the middle, and then be firm. In addition, it is to use reserved rope to tie, tie crosses on both sides, tighten and tie tightly, and plug the rope end. When using it to cover the goods, pay attention to the ventilation openings. If it is too tight, it will cause water vapor to damage the goods. If the phenomenon of water seepage occurs after using it for too long, the tarpaulin should be replaced. Secondly, it should also be noted that during use, try to avoid collision with sharp metals. If there is damage, you can use glue to repair it.
ZHONGSHAN LINYANG PLASTIC CO.LTD who is highly knowledgeable about manufacturing as well as selling and confident in our ability to create finest products as PVC Tarpaulin clear pvc film.
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